Class BufferArray

java.lang.Object

org.ojalgo.array.BasicArray<Double>

org.ojalgo.array.DenseArray<Double>

org.ojalgo.array.PlainArray<Double>

org.ojalgo.array.BufferArray

All Implemented Interfaces:

AutoCloseable, RandomAccess, Access1D<Double>, Access1D.Aggregatable<Double>, Access1D.Collectable<Double,Mutate1D>, Access1D.Visitable<Double>, Factory1D.Builder<DenseArray<Double>>, Mutate1D, Mutate1D.Fillable<Double>, Mutate1D.Modifiable<Double>, Structure1D

Direct Known Subclasses:

BufferR032, BufferR064, BufferZ008, BufferZ016, BufferZ032, BufferZ064

public abstract class BufferArray
extends PlainArray<Double>
implements AutoCloseable

The odd member among the array implementations. It allows to create arrays based on memory mapped files or direct buffers.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static interface	BufferArray.BufferConstructor
static final class	BufferArray.Factory

Nested classes/interfaces inherited from class BasicArray

BasicArray.BaseFactory<N,A>

Nested classes/interfaces inherited from interface Access1D

Access1D.Aggregatable<N>, Access1D.Collectable<N,R>, Access1D.ElementView<N>, Access1D.SelectionView<N>, Access1D.Sliceable<N>, Access1D.Visitable<N>

Nested classes/interfaces inherited from interface Mutate1D

Mutate1D.Fillable<N>, Mutate1D.Mixable<N>, Mutate1D.Modifiable<N>, Mutate1D.ModifiableReceiver<N>, Mutate1D.Receiver<N>, Mutate1D.Sortable

Nested classes/interfaces inherited from interface Structure1D

Structure1D.BasicMapper<T>, Structure1D.IndexMapper<T>, Structure1D.IntIndex, Structure1D.Logical<S,B>, Structure1D.LongIndex, Structure1D.LoopCallback

Field Summary

Fields

Modifier and Type	Field	Description
private final Buffer	myBuffer
private final AutoCloseable	myFile
static final BufferArray.Factory	R032
static final BufferArray.Factory	R064
static final BufferArray.Factory	Z008
static final BufferArray.Factory	Z016
static final BufferArray.Factory	Z032
static final BufferArray.Factory	Z064

Fields inherited from class PlainArray

CHARACTERISTICS, MAX_SIZE

Constructor Summary

Constructors

Constructor	Description
BufferArray(BufferArray.Factory factory, Buffer buffer, AutoCloseable file)

Method Summary

Modifier and Type	Method	Description
final void	add(int index, byte addend)
final void	add(int index, double addend)
final void	add(int index, float addend)
final void	add(int index, int addend)
final void	add(int index, long addend)
final void	add(int index, short addend)
void	close()
protected void	exchange(int firstA, int firstB, int step, int count)
protected void	fill(int first, int limit, int step, Double value)
protected void	fill(int first, int limit, int step, NullaryFunction<?> supplier)
protected void	fillOne(int index, Double value)
protected void	fillOne(int index, Access1D<?> values, long valueIndex)
Double	get(int index)
protected int	indexOfLargest(int first, int limit, int step)
protected boolean	isAbsolute(int index)
protected boolean	isSmall(int index, double comparedTo)
protected void	modify(int first, int limit, int step, BinaryFunction<Double> function, Access1D<Double> right)
protected void	modify(int first, int limit, int step, UnaryFunction<Double> function)
protected void	modify(int first, int limit, int step, Access1D<Double> left, BinaryFunction<Double> function)
(package private) void	modify(long extIndex, int intIndex, BinaryFunction<Double> function, Access1D<Double> right)
(package private) void	modify(long extIndex, int intIndex, UnaryFunction<Double> function)
(package private) void	modify(long extIndex, int intIndex, Access1D<Double> left, BinaryFunction<Double> function)
protected void	modifyOne(int index, UnaryFunction<Double> modifier)
void	reset()	Reset this mutable structure to some standard (all zeros) initial state.
protected int	searchAscending(Double number)
protected void	set(int index, Comparable<?> value)
protected void	sortAscending()
protected void	sortDescending()
protected void	visit(int first, int limit, int step, VoidFunction<Double> visitor)
protected void	visitOne(int index, VoidFunction<Double> visitor)

Methods inherited from class PlainArray

add, add, add, add, add, add, add, add, byteValue, byteValue, count, doubleValue, doubleValue, exchange, fill, fill, fillAll, fillAll, fillOne, fillRange, fillRange, floatValue, floatValue, get, indexOfLargest, intValue, intValue, longValue, longValue, modify, modify, modify, modifyOne, set, set, set, set, set, set, set, set, set, set, set, set, set, shortValue, shortValue, size, visit, visitOne

Methods inherited from class DenseArray

build

Methods inherited from class BasicArray

aggregateRange, equals, factory, getMathType, hashCode, indexOfLargest, isPrimitive, modifyAll, modifyMatching, modifyMatching, modifyRange, supplyTo, toString, visitAll, visitRange, wrapInArray1D, wrapInArray2D, wrapInArrayAnyD

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface Access1D

asCollectable1D, asKeyed1D, asList, axpy, dot, elements, nonzeros, select, supplyTo, toList, toRawCopy1D

Methods inherited from interface Access1D.Aggregatable

aggregateAll

Methods inherited from interface Access1D.Collectable

collect

Methods inherited from interface Mutate1D.Fillable

fillCompatible, fillMatching, fillMatching, fillMatching, fillMatching

Field Details

R032

public static final BufferArray.Factory R032

R064

public static final BufferArray.Factory R064

Z008

public static final BufferArray.Factory Z008

Z016

public static final BufferArray.Factory Z016

Z032

public static final BufferArray.Factory Z032

Z064

public static final BufferArray.Factory Z064

myBuffer

private final Buffer myBuffer

myFile

private final AutoCloseable myFile

Constructor Details

BufferArray

BufferArray(BufferArray.Factory factory,
 Buffer buffer,
 AutoCloseable file)

Method Details

add

public final void add(int index,
 byte addend)

Specified by:

add in interface Mutate1D.Modifiable<Double>

Overrides:

add in class PlainArray<Double>

add

public final void add(int index,
 double addend)

Specified by:

add in interface Mutate1D.Modifiable<Double>

add

public final void add(int index,
 float addend)

Specified by:

add in interface Mutate1D.Modifiable<Double>

Overrides:

add in class PlainArray<Double>

add

public final void add(int index,
 int addend)

Specified by:

add in interface Mutate1D.Modifiable<Double>

Overrides:

add in class PlainArray<Double>

add

public final void add(int index,
 long addend)

Specified by:

add in interface Mutate1D.Modifiable<Double>

Overrides:

add in class PlainArray<Double>

add

public final void add(int index,
 short addend)

Specified by:

add in interface Mutate1D.Modifiable<Double>

Overrides:

add in class PlainArray<Double>

close

public void close()

Specified by:

close in interface AutoCloseable

get

public Double get(int index)

Specified by:

get in class PlainArray<Double>

reset

public void reset()

Description copied from interface: Mutate1D

Reset this mutable structure to some standard (all zeros) initial state. It must still be usuable after this call, and the structure/size/shape must not change.

Specified by:

reset in interface Mutate1D

exchange

protected void exchange(int firstA,
 int firstB,
 int step,
 int count)

Specified by:

exchange in class PlainArray<Double>

fill

protected void fill(int first,
 int limit,
 int step,
 Double value)

Specified by:

fill in class PlainArray<Double>

fill

protected void fill(int first,
 int limit,
 int step,
 NullaryFunction<?> supplier)

Specified by:

fill in class PlainArray<Double>

fillOne

protected void fillOne(int index,
 Access1D<?> values,
 long valueIndex)

Specified by:

fillOne in class PlainArray<Double>

fillOne

protected void fillOne(int index,
 Double value)

Specified by:

fillOne in class PlainArray<Double>

indexOfLargest

protected int indexOfLargest(int first,
 int limit,
 int step)

Specified by:

indexOfLargest in class PlainArray<Double>

isAbsolute

protected boolean isAbsolute(int index)

Specified by:

isAbsolute in class PlainArray<Double>

See Also:

• Scalar.isAbsolute()

isSmall

protected boolean isSmall(int index,
 double comparedTo)

Specified by:

isSmall in class PlainArray<Double>

See Also:

• NormedVectorSpace.isSmall(double)

modify

protected void modify(int first,
 int limit,
 int step,
 Access1D<Double> left,
 BinaryFunction<Double> function)

Specified by:

modify in class PlainArray<Double>

modify

protected void modify(int first,
 int limit,
 int step,
 BinaryFunction<Double> function,
 Access1D<Double> right)

Specified by:

modify in class PlainArray<Double>

modify

protected void modify(int first,
 int limit,
 int step,
 UnaryFunction<Double> function)

Specified by:

modify in class PlainArray<Double>

modifyOne

protected void modifyOne(int index,
 UnaryFunction<Double> modifier)

Specified by:

modifyOne in class PlainArray<Double>

searchAscending

protected int searchAscending(Double number)

Specified by:

searchAscending in class PlainArray<Double>

set

protected void set(int index,
 Comparable<?> value)

Specified by:

set in class PlainArray<Double>

sortAscending

protected void sortAscending()

Specified by:

sortAscending in class PlainArray<Double>

sortDescending

protected void sortDescending()

Specified by:

sortDescending in class PlainArray<Double>

visit

protected void visit(int first,
 int limit,
 int step,
 VoidFunction<Double> visitor)

Specified by:

visit in class PlainArray<Double>

visitOne

protected void visitOne(int index,
 VoidFunction<Double> visitor)

Specified by:

visitOne in class PlainArray<Double>

modify

void modify(long extIndex,
 int intIndex,
 Access1D<Double> left,
 BinaryFunction<Double> function)

Specified by:

modify in class DenseArray<Double>

modify

void modify(long extIndex,
 int intIndex,
 BinaryFunction<Double> function,
 Access1D<Double> right)

Specified by:

modify in class DenseArray<Double>

modify

void modify(long extIndex,
 int intIndex,
 UnaryFunction<Double> function)

Specified by:

modify in class DenseArray<Double>